流行好用的压缩工具，支持鼠标拖放及外壳扩展，完美支持 ZIP 档案，内置程序可以解开 CAB、ARJ、LZH、TAR、GZ、ACE、UUE、BZ2、JAR、ISO 等多种类型的压缩文件；具有估计压缩功能，你可以在压缩文件之前得到用 ZIP 和 RAR 两种压缩工具各三种压缩方式下的大概压缩率；具有历史记录和收藏夹功能；压缩率相当高，而资源占用相对较少、固定压缩、多媒体压缩和多卷自释放压缩是大多 压缩工具所不具备的.下载:WinRAR 3.90 Beta 4 x86 (1.30 MB)
下载:WinRAR 3.90 Beta 4 x64 (1.45 MB)

Version 3.90 beta 4

   1. New 'Shutdown' variable in 'SoftwareWinRARPolicy' registry key
      allows to disable "Turn PC off when done" option for security reasons.
      Read "Configuration settings/Registry variables" for more details.

   2. Program Compatibility Assistant in Windows 7 will not display
      an erroneous "This program might not have installed correctly"
      message after closing RAR SFX archives created by this beta.

   3. Improved compatibility with high DPI Windows display mode.

   4. Bugs fixed:

      a) beta 3 did not display archiving commands in context menu
         if user selected several archives;

      b) beta 3 did not handle 'LongLink' records in TAR archives correctly;

      c) recovery record based repair did not work correctly in previous
         beta versions;

      d) beta 3 could display a folder icon for archived files without
         a file extension.